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Chiral Recognition in Complexes of Tertiary Acetylenic Alcohols and Sparteine; Mutual Optical Resolution by Complex Formation
Toda, Fumio,Tanaka, Koichi,Ueda, Hideo,Oshima, Tokio
, p. 743 - 744 (1983)
Tertiary acetylenic alcohols have been resolved efficiently by complex formation with (-)-sparteine, and (+/-)-sparteine was resolved by complex formation with the optically active tertiary acetylenic alcohols; an X-ray structural study of the 1:1 complex of 1-(o-bromophenyl)-1-phenylprop-2-ynol (1d) and (-)-sparteine showed that two hydrogen bonds, CC-H...OH and OH...N, are important in formation of the complex.
